Patch to toggle full-screen mode

uxnemu.c.diff

diff --git a/projects/examples/demos/font.tal b/projects/examples/demos/font.tal
index 512ba5d..1513a6f 100644
--- a/projects/examples/demos/font.tal
+++ b/projects/examples/demos/font.tal
@@ -188,4 +188,4 @@ RTN
 @font-path-small
        "projects/fonts/atari8.uf1 $1

-@font-data
\ No newline at end of file
+@font-data
diff --git a/src/uxnemu.c b/src/uxnemu.c
index 3380b68..3b4b4c8 100644
--- a/src/uxnemu.c
+++ b/src/uxnemu.c
@@ -35,6 +35,7 @@ static Device *devsystem, *devscreen, *devmouse, *devctrl, *devaudio0, *devconso
 static Uint32 stdin_event;

 static Uint8 zoom = 1, reqdraw = 0;
+static int fullscreen = SDL_WINDOW_FULLSCREEN_DESKTOP;

 static Uint8 font[][8] = {
        {0x00, 0x7c, 0x82, 0x82, 0x82, 0x82, 0x82, 0x7c},
@@ -154,6 +155,18 @@ screencapture(void)
        fprintf(stderr, "Saved %s\n", fname);
 }

+static void
+togglefullscreen(void)
+{
+       if (fullscreen) {
+               fullscreen = 0;
+       } else {
+               fullscreen = SDL_WINDOW_FULLSCREEN_DESKTOP;
+       }
+
+       SDL_SetWindowFullscreen(gWindow, fullscreen);
+}
+
 static void
 quit(void)
 {
@@ -210,6 +223,7 @@ init(void)
        }
        gRect.h = zoom * ppu.height;
        ppu.pixels = idxSurface->pixels;
+       SDL_SetWindowFullscreen(gWindow, fullscreen);
        SDL_StartTextInput();
        SDL_ShowCursor(SDL_DISABLE);
        return 1;
@@ -256,6 +270,7 @@ doctrl(Uxn *u, SDL_Event *event, int z)
        case SDLK_F1: if(z) togglezoom(u); break;
        case SDLK_F2: if(z) toggledebug(u); break;
        case SDLK_F3: if(z) screencapture(); break;
+       case SDLK_F4: if(z) togglefullscreen(); break;
        }

        /* clang-format on */